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How do I get the first element from an IEnumerable in .net?
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247
If you can use LINQ you can use:
var e = enumerable.First();
This will throw an exception th...
Custom UITableViewCell from nib in Swift
...UITableViewController {
let items = ["Item 1", "Item2", "Item3", "Item4"]
override func viewDidLoad() {
super.viewDidLoad()
tableView.register(UINib(nibName: "CustomCell", bundle: nil), forCellReuseIdentifier: "CustomCell")
}
// MARK: - UITableViewDataSource
o...
How to set a value to a file input in HTML?
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541
You cannot, due to security reasons.
Imagine:
<form name="foo" method="post" enctype="mult...
Python time measure function
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242
First and foremost, I highly suggest using a profiler or atleast use timeit.
However if you wan...
Converting RGB to grayscale/intensity
...ls R, G, and B ought to be applied. These weights are: 0.2989, 0.5870, 0.1140.
8 Answers
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Canvas is stretched when using CSS but normal with “width” / “height” properties
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edited Aug 6 '14 at 5:46
answered Apr 6 '10 at 21:16
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What does OSGi solve?
... provide so much functionality for so little API.
Small - The OSGi Release 4 Framework can be implemented in about a 300KB JAR file. This is a small overhead for the amount of functionality that is added to an application by including OSGi. OSGi therefore runs on a large range of devices: from very ...
Convert Pixels to Points
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edited Jun 7 '17 at 14:58
answered Sep 26 '08 at 14:04
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How do I access properties of a javascript object if I don't know the names?
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144
You can loop through keys like this:
for (var key in data) {
console.log(key);
}
This logs...